VOCAL ACOUSTICS: THE POWER OF RESONANCE Topic: This moves the focus away from "pushing" the voice and toward the more efficient and powerful concept of "resonating" the voice. Explanation: Instead of simply trying to be louder, we learn to amplify the voice naturally by shaping the vocal tract and utilizing resonance. This topic includes exercises that help you feel where your sound is vibrating (e.g., in the head, chest, or mask of the face). We explore vowel modifications and tongue positions